GB9518962D0 - Telecommunication systems - Google Patents

Telecommunication systems

Info

Publication number
GB9518962D0
GB9518962D0 GBGB9518962.7A GB9518962A GB9518962D0 GB 9518962 D0 GB9518962 D0 GB 9518962D0 GB 9518962 A GB9518962 A GB 9518962A GB 9518962 D0 GB9518962 D0 GB 9518962D0
Authority
GB
United Kingdom
Prior art keywords
telecommunication systems
telecommunication
systems
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GBGB9518962.7A
Other versions
GB2305329A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB9518962A priority Critical patent/GB2305329A/en
Publication of GB9518962D0 publication Critical patent/GB9518962D0/en
Publication of GB2305329A publication Critical patent/GB2305329A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • H04M19/041—Encoding the ringing signal, i.e. providing distinctive or selective ringing capability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/663—Preventing unauthorised calls to a telephone set

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB9518962A 1995-09-15 1995-09-15 Telecommunication system Withdrawn GB2305329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9518962A GB2305329A (en) 1995-09-15 1995-09-15 Telecommunication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9518962A GB2305329A (en) 1995-09-15 1995-09-15 Telecommunication system

Publications (2)

Publication Number Publication Date
GB9518962D0 true GB9518962D0 (en) 1995-11-15
GB2305329A GB2305329A (en) 1997-04-02

Family

ID=10780819

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9518962A Withdrawn GB2305329A (en) 1995-09-15 1995-09-15 Telecommunication system

Country Status (1)

Country Link
GB (1) GB2305329A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2308038B (en) * 1995-12-07 2000-07-19 Nokia Mobile Phones Ltd Telephone apparatus with calling line identification
SE9701669L (en) * 1997-05-02 1999-02-05 Anders Bjoerhn Procedure and device in telephone
FR2765758A1 (en) * 1997-07-07 1999-01-08 Najib Chelly Portable telephone with voice signal generating circuit built in
DE19733050A1 (en) * 1997-07-31 1999-02-04 Bosch Gmbh Robert Telecommunication terminal
TW404108B (en) * 1998-05-12 2000-09-01 Lucent Technologies Inc Appartaus and method for selecting an outgoing greeting message based on call related information
DE19847287A1 (en) * 1998-10-14 2000-04-20 Deutsche Telekom Ag Method for controlling the ringing signals on a terminal for an analog telephone connection assesses data transmitted between two ringing signal impulses or after a trigger signal before allowing or disallowing an audible signal.
CA2284213A1 (en) * 1998-11-04 2000-05-04 Joseph M. Cannon Ring type based on call related information
US20020077102A1 (en) * 2000-12-15 2002-06-20 Ramesh Achuthan Personalized call-reception prompter
US8160222B2 (en) 2005-07-21 2012-04-17 At&T Intellectual Property I, L.P. Enhanced caller ID with recipient-selected caller information display
EP1941707A1 (en) * 2006-07-21 2008-07-09 AT&T Knowledge Ventures, L.P. Enhanced caller id with recipient-selected caller information display

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9113154D0 (en) * 1991-06-18 1991-08-07 Polestar Sa Caller identification
US5349638A (en) * 1993-01-25 1994-09-20 Micro-Technology Inc.-Wisconsin Universal calling/originating number identification
JPH06326760A (en) * 1993-05-14 1994-11-25 Sony Corp Telephone device
US5481594A (en) * 1993-08-06 1996-01-02 Aastra Corporation Audio caller identification unit
WO1996027974A1 (en) * 1995-03-08 1996-09-12 Telefonaktiebolaget Lm Ericsson (Publ) A telephone set having calling party dependent ringing

Also Published As

Publication number Publication date
GB2305329A (en) 1997-04-02

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)